<template>
    <div>
        <!--面包屑导航区-->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>

        <!--卡片视图-->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="querInfo.query" clearable
                    @clear="getUsersList">
                        <el-button slot="append" icon="el-icon-search" @click="getUsersList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="8">
                    <el-button type="primary" @click=" addDialogVisible=true">添加用户</el-button>
                </el-col>
                <el-col :span="8">
                </el-col>
            </el-row>              
      
        <el-table
            :data="userslist"
            border stripe
            style="width: 100%">
            <el-table-column type="index" prop="序号" width="120px">
            </el-table-column>
            <el-table-column prop="username" label="姓名">
            </el-table-column>
            <el-table-column prop="email" label="邮箱">
            </el-table-column>
            <el-table-column prop="mobile" label="电话">
            </el-table-column>
            <el-table-column prop="role_name" label="角色">
            </el-table-column>
            <el-table-column label="状态" width="200px">
                <template slot-scope="scope">
                    <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
                    </el-switch>
                </template>
            </el-table-column>
            <el-table-column fixed="right" label="操作">
                <template slot-scope="scope">
                   <!--修改按钮-->
                   <el-button type="primary" icon="el-icon-edit" size="small" @click="showEditDialog(scope.row.id)"></el-button>
                   <!--删除按钮-->
                   <el-button type="danger" icon="el-icon-delete" size="small" @click="deleteUser(scope.row.id)"></el-button>
                   <!--分配角色按钮-->
                   <el-tooltip effect="dark" content="分配角色" placement="top">
                     <el-button type="warning" icon="el-icon-setting"
                     @click="showRoleEditDialog(scope.row)"></el-button>
                   </el-tooltip> 
                </template>
            </el-table-column>
        </el-table>
        <!--用户分页区域-->
        <el-pagination
            @size-change="handleSizeChange"
            @current-change="handleCurrentChange"
            :current-page="querInfo.pagenum"
            :page-sizes="[1, 2, 5, 10]"
            :page-size="querInfo.pagesize"
            layout="total, sizes, prev, pager, next, jumper"
            :total="total">
        </el-pagination>
    </el-card> 
    <!--添加用户的对话框-->  
    <el-dialog
        title="添加用户" 
        :visible.sync="addDialogVisible" 
        width="30%"
        @close="addDialogClosed">
        <!--内容主体区-->
        <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="100px" class="demo-ruleForm">
            <el-form-item label="用户名" prop="username">
                <el-input v-model="addForm.username"></el-input>
            </el-form-item>
            <el-form-item label="密码" prop="password">
                <el-input v-model="addForm.password"></el-input>
            </el-form-item>
            <el-form-item label="邮箱" prop="email">
                <el-input v-model="addForm.email"></el-input>
            </el-form-item>
            <el-form-item label="电话" prop="mobile">
                <el-input v-model="addForm.mobile"></el-input>
            </el-form-item>
     </el-form>
        <!--底部区域-->
        <span slot="footer" class="dialog-footer">
            <el-button @click="addDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="adduser">确 定</el-button>
        </span>
    </el-dialog> 
    <!--修改用户的对话框-->  
    <el-dialog
        title="修改用户信息" 
        :visible.sync="editDialogVisible" 
        width="30%"
        @close="editDialogClosed">
        <!--内容主体区-->
        <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="100px">
            <el-form-item label="用户名">
                <el-input v-model="editForm.username" :disabled="true"></el-input>
            </el-form-item>
            <el-form-item label="邮箱" prop="email">
                <el-input v-model="editForm.email"></el-input>
            </el-form-item>
            <el-form-item label="手机号" prop="mobile">
                <el-input v-model="editForm.mobile"></el-input>
            </el-form-item>
     </el-form>
        <!--底部区域-->
        <span slot="footer" class="dialog-footer">
            <el-button @click="editDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="editUserInfo">确 定</el-button>
        </span>
    </el-dialog> 
     <!--分配角色对话框-->
    <el-dialog
        title="分配角色"
        :visible.sync="setRoleDialogVisible"
        width="36%" @close="setRoleDialogClosed"
    >
      <div>
        <p>当前的用户：{{setRoleForm.username}}</p>
        <p>当前的角色：{{setRoleForm.role_name}}</p>
        <p>分配新角色：
        <el-select v-model="selectedRoleId" placeholder="请选择">
        <el-option
        v-for="item in rolelist"
        :key="item.id"
        :label="item.roleName"
        :value="item.id">
       </el-option>
    </el-select></p>
      </div>
      <span slot="footer" class="dialog-footer">
      <el-button @click="setRoleDialogVisible = false">取 消</el-button>
      <el-button type="primary" @click="saveRoleInfo()">确 定</el-button>
      </span>
    </el-dialog>
    </div>
</template>
<script>
 export default{
    data() {
      // 验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      // 验证邮箱的正则表达式
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/

      if (regEmail.test(value)) {
        // 合法的邮箱
        return cb()
      }

      cb(new Error('请输入合法的邮箱'))
    }

    // 验证手机号的规则
    var checkMobile = (rule, value, cb) => {
      // 验证手机号的正则表达式
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/

      if (regMobile.test(value)) {
        return cb()
      }

      cb(new Error('请输入合法的手机号'))
    }

      return {
        //获取用户列表的参数
        querInfo:{
          query:'',
          //当前的页数
          pagenum:1,
          //当前每页显示多少条数据
          pagesize:4
        },
        userslist:[],
        total:0,
        //控制添加对话框的显示与隐藏
        addDialogVisible:false,
        //添加用户的表单数据
        addForm:{
            username:'',
            password:'',
            email:'',
            mobile:''
        },
        //添加用户的表单的验证规则对象
        addFormRules:{
            username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '用户名的长度在3~10个字符之间',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 6,
            max: 15,
            message: '用户名的长度在6~15个字符之间',
            trigger: 'blur'
          }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ],
        
     },
     //控制修改用户对话框的显示与隐藏
     editDialogVisible:false,
     editForm:{ },
     editId:0,
     editFormRules:{
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
    },
    //控制分配角色权限的布尔值
    setRoleDialogVisible:false,
    //需要被分配的用户的信息
    setRoleForm:{},
    //角色列表
    rolelist:[],
    //已选中的角色
    selectedRoleId:'',
    //控制编辑角色对话框的布尔值
    editRoleDialogVisible:false,
    //
    editRoleForm:{}

}
    }, 
    created(){
        this.getUsersList()
    },
    methods: {
      async getUsersList(){
        const {data:res} = await this.$http.get('users',{params:this.querInfo})
        if(res.meta.status!==200)return this.$message.error('获取用户列表失败')
        this.userslist=res.data.users 
        this.total=res.data.total 
      },
      //监听pagesize改变的事件
      handleSizeChange(newSize){
        console.log(newSize)
        this.querInfo.pagesize=newSize
        this.getUsersList()
      },
      //监听页码值
      handleCurrentChange(newPage) {
        console.log(newPage)
        this.querInfo.pagenum=newPage
        this.getUsersList()
      },
      //监听switch开关状态的改变
     async userStateChanged(userinfo){
        const {data:res} = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
        if(res.meta.status!==200){
            userinfo.mg_state=!userinfo.mg_state
            return this.$message.error('更新用户状态失败')
        }
        this.$$message.this.success('更新用户状态成功')
    },
    //监听添加用户对话的关闭事件
    addDialogClosed(){
       this.$refs.addFormRef.resetFields()
    },
    //监听修改用户信息并提交
    editDialogClosed(){
         this.$refs.editFormRef.resetFields()
    },
    //点击按钮添加新用户
    adduser(){
        this.$refs.addFormRef.validate(async valid => {
            if(!valid) return
            // 发起添加用户的网络请求
            const {data:res} = await this.$http.post('users',this.addForm)
            if(res.meta.status!==201) {
                this.$message.error('添加用户失败')}
            this.$message.success('添加用户成功') 
            //隐藏添加用户的对话框
            this.addDialogVisible= false
            //重新获取用户列表数据
            this.getUsersList()
        })
    },
    //展示编辑用户的对话框
    async showEditDialog(id){
        this.editDialogVisible=true;
        const {data:res} = await this.$http.get(`users/${id}`)
        this.editForm=res.data
        if(res.meta.status!==200) {
           this.$message.error('查询用户信息失败')}
        this.editDialogVisible = true
    }, 
    //点击按钮确定编辑用户的对话框
    editUserInfo(){
      this.$refs.editFormRef.validate(async valid => {
            if(!valid) return
            // 发起添加用户的网络请求
            const {data:res} = await this.$http.put('users/'+this.editForm.id,
            {email:this.editForm.email,
            mobile:this.editForm.mobile})
            if(res.meta.status!==200) {
                this.$message.error('添加用户失败')}
            //隐藏添加用户的对话框
            this.editDialogVisible = false
            //重新获取用户列表数据
            this.getUsersList()
        })
    },
    //删除用户
   async deleteUser(id){
     const confirmRes=await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err) 
          if(confirmRes!=='confirm'){
            return this.$message.info('已取消删除')
          }
          const {data:res} = await this.$http.delete(`users/${id}`)
          if(res.meta.status!==200) {
              this.$message.error('删除用户失败')}
          //重新获取用户列表数据
          this.getUsersList() 
    },
    //展示分配角色权限的对话框
    async showRoleEditDialog(role){
      this.setRoleForm=role;
      //在展示对话框之前获取所有的角色列表
      const {data:res}=await this.$http.get('roles')  
      this.rolelist=res.data
      if(res.meta.status!==200){
        return this.$message
      }
      this.setRoleDialogVisible=true
    },
    //点击按钮，分配角色
    async saveRoleInfo(){
      if(!this.selectedRoleId) return this.$message.error('请选择要分配的角色')
      const {data:res}=await this.$http.put(`users/${this.setRoleForm.id}/role`,{
        rid:this.selectedRoleId
      })
      if(res.meta.status!==200){
        return this.$message
      }
      this.getUsersList()
      this.setRoleDialogVisible = false
    },
    setRoleDialogClosed(){
      this.selectedRoleId=''
    }
    } 
 }
</script>

<style lang="less" scoped>

</style>